如何将这两个Regex语句与String.repalceAll（）合并为一个

Question

I have this string,

"36635,36635,36635,36635 36635 36635 36635 36635-36635-36635"

By the end of it I would like

36635 36635 36635 36635 36635 36635 36635 36635 36635 36635

I've managed to achieve this with the below code.

String original = "36635,36635,36635,36635   36635   36635 36635  36635-36635-36635";
String justSpaces =  original.replaceAll("[^0-9]", " ");
String oneSpaceMax = justSpaces.replaceAll(" {2,}", " ");
System.out.printf("Original: %s \n JustSpaces: %s \n oneSpaceMax: %s", original, justSpaces, oneSpaceMax);

Output

Original: 36635,36635,36635,36635   36635   36635 36635  36635-36635-36635 
JustSpaces: 36635 36635 36635 36635   36635   36635 36635  36635 36635 36635 
oneSpaceMax: 36635 36635 36635 36635 36635 36635 36635 36635 36635 36635

How can I combine those two regex statements? I've attempted using the Or | operator but with no luck.

Answer 1

Use:

original = original.replaceAll("\\D+", " ");

\\\\D+ will match 1 or more non-digit (including spaces) and replacement is just a single space.

RegEx Demo